63928427400 has 144 divisors (see below), whose sum is σ = 217411084800. Its totient is φ = 16831751040.

The previous prime is 63928427369. The next prime is 63928427413. The reversal of 63928427400 is 472482936.

63928427400 is a `hidden beast` number, since 63 + 92 + 84 + 27 + 400 = 666.

63928427400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 82584 + ... + 366983.

It is an arithmetic number, because the mean of its divisors is an integer number (1509799200).

Almost surely, 2^63928427400 is an apocalyptic number.

63928427400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63928427400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108705542400).

63928427400 is an abundant number, since it is smaller than the sum of its proper divisors (153482657400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63928427400 is a wasteful number, since it uses less digits than its factorization.

63928427400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449668 (or 449656 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 63928427400 in words is "sixty-three billion, nine hundred twenty-eight million, four hundred twenty-seven thousand, four hundred".